(self)
| 2363 | return Lengths(child) |
| 2364 | |
| 2365 | def _layer(self): |
| 2366 | name = "part-" + self._name |
| 2367 | dsk = { |
| 2368 | (name, i): (len, (self.frame._name, i)) |
| 2369 | for i in range(self.frame.npartitions) |
| 2370 | } |
| 2371 | dsk[(self._name, 0)] = (tuple, list(dsk.keys())) |
| 2372 | return dsk |
| 2373 | |
| 2374 | |
| 2375 | class ResetIndex(Elemwise): |